SUMMARY = "GRUB2 is the next-generation GRand Unified Bootloader"

DESCRIPTION = "GRUB2 is the next generaion of a GPLed bootloader \
intended to unify bootloading across x86 operating systems. In \
addition to loading the Linux kernel, it implements the Multiboot \
standard, which allows for flexible loading of multiple boot images."

HOMEPAGE = "http://www.gnu.org/software/grub/"
SECTION = "bootloaders"

LICENSE = "GPLv3"
LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"

CVE_PRODUCT = "grub2"

SRC_URI = "https://alpha.gnu.org/gnu/grub/grub-${REALPV}.tar.xz \
           file://0001-Disable-mfpmath-sse-as-well-when-SSE-is-disabled.patch \
           file://autogen.sh-exclude-pc.patch \
           file://grub-module-explicitly-keeps-symbole-.module_license.patch \
           file://0001-grub.d-10_linux.in-add-oe-s-kernel-name.patch \
           file://determinism.patch \
           file://0001-RISC-V-Restore-the-typcast-to-long.patch \
"

SRC_URI[sha256sum] = "2c87f1f21e2ab50043e6cd9163c08f1b6c3a6171556bf23ff9ed65b074145484"

REALPV = "2.06~rc1"
PV = "2.04+${REALPV}"

# Fixed in 2.06~rc1, can be removed for 2.06 final
CVE_CHECK_WHITELIST += "\
    CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-10713 \
    CVE-2020-14372 CVE-2020-15705 CVE-2020-15706 CVE-2020-15707 \
    CVE-2020-25632 CVE-2020-25647 CVE-2020-27749 CVE-2020-27779 \
    CVE-2021-3418 CVE-2021-20225 CVE-2021-20233"

# Applies only to RHEL
CVE_CHECK_WHITELIST += "CVE-2019-14865"

S = "${WORKDIR}/grub-${REALPV}"

UPSTREAM_CHECK_URI = "${GNU_MIRROR}/grub"
UPSTREAM_CHECK_REGEX = "grub-(?P<pver>\d+(\.\d+)+)\.tar\.(gz|xz)"

DEPENDS = "flex-native bison-native gettext-native"

COMPATIBLE_HOST = '(x86_64.*|i.86.*|arm.*|aarch64.*|riscv.*)-(linux.*|freebsd.*)'
COMPATIBLE_HOST_armv7a = 'null'
COMPATIBLE_HOST_armv7ve = 'null'

# configure.ac has code to set this automagically from the target tuple
# but the OE freeform one (core2-foo-bar-linux) don't work with that.

GRUBPLATFORM_arm = "efi"
GRUBPLATFORM_aarch64 = "efi"
GRUBPLATFORM_riscv32 = "efi"
GRUBPLATFORM_riscv64 = "efi"
GRUBPLATFORM ??= "pc"

inherit autotools gettext texinfo pkgconfig

CFLAGS_remove = "-O2"

EXTRA_OECONF = "--with-platform=${GRUBPLATFORM} \
                --disable-grub-mkfont \
                --program-prefix="" \
                --enable-liblzma=no \
                --enable-libzfs=no \
                --enable-largefile \
                --disable-werror \
"

PACKAGECONFIG ??= ""
PACKAGECONFIG[grub-mount] = "--enable-grub-mount,--disable-grub-mount,fuse"
PACKAGECONFIG[device-mapper] = "--enable-device-mapper,--disable-device-mapper,libdevmapper"

# grub2 creates its own set of -nostdinc / -isystem / -ffreestanding CFLAGS and
# OE's default BUILD_CFLAGS (assigned to CFLAGS for native builds) etc, conflict
# with that. Note that since BUILD_CFLAGS etc are not used by grub2 target
# builds, it's safe to clear them unconditionally for both target and native.
BUILD_CPPFLAGS = ""
BUILD_CFLAGS = ""
BUILD_CXXFLAGS = ""
BUILD_LDFLAGS = ""

export PYTHON = "python3"

do_configure_prepend() {
	cd ${S}
	FROM_BOOTSTRAP=1 ${S}/autogen.sh
	cd ${B}
}